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2024-08-28
Electromechanical horn M26
The best sound experience - that's what the M26 horn provides. A particularly audible signal is necessary to effectively warn other road users in dangerous situations. By installing a set of high and low tones, you get an optimal sound color. The Teflon pill and a membrane provide protection against moisture penetration. It is also protected against corrosion.
The M26 horn is operated by the battery current or a control current coming from the steering wheel. This is passed through a relay to generate a voltage-free control current.
The control current activates the signal horn's electromagnet. This in turn attracts a metal core or armature and then the steel diaphragm of the horn. The sound is generated by the fact that the power supply is interrupted when the diaphragm is attracted, and the armature and diaphragm return to their original position.
The best sound experience - that's what the M26 horn provides. A particularly audible signal is necessary to effectively warn other road users in dangerous situations. By installing a set of high and low tones, you get an optimal sound color. The Teflon pill and a membrane provide protection against moisture penetration. It is also protected against corrosion.
The M26 horn is operated by the battery current or a control current coming from the steering wheel. This is passed through a relay to generate a voltage-free control current.
The control current activates the signal horn's electromagnet. This in turn attracts a metal core or armature and then the steel diaphragm of the horn. The sound is generated by the fact that the power supply is interrupted when the diaphragm is attracted, and the armature and diaphragm return to their original position.
The electromechanical horn M26.
Technical drawing of the electromechanical horn M26 with a diameter of 97 cm.
Technical Data
| Diameter | 97 mm / 113 mm |
| Rated voltage | 12 V or 24 V |
| Sound pressure level at 2 m distance | 115 dB (A) |
| Frequency range | 335 Hz (low tone) 400 Hz (high tone) |
| Power consumption | 12 V horns: 66 W (-891, -811, -861), 72 W (-841, -917, -907), 54 W (-827), 60 W (-857) 24 V horns: 84 W (-871, -821, -927) |
| Current consumption | -891, -811, -861 max. 5,5 A -841, -917, -907 max. 6 A -827 max 4,5 A -857 max. 5 A -871, -821, -927 max. 3,5 A |
| Operating temperature | -40 °C to +60 °C |
| Degree of protection | IP X9K -841, -827, 917, -871, -927: additionally IP X7 |
| Lifetime | 50.000 cycles |
| Housing material | Metal |
| Approved | ECE-R28,  0020011 |
Program Overview
| Variant | Teflon pellet | Part number | Packaging unit |
|---|---|---|---|
| 12 V, 335 / 400 Hz, low tone and high tone, flat connector | yes | 3AM 002 952-891 | 1 Set |
| 12 V, 400 Hz, high tone, flat connector | yes | 3AL 002 952-811 | 1 |
| 12 V, 335 Hz, low tone, flat connector | yes | 3AL 002 952-861 | 1 |
| 24 V, 335 Hz, low tone, flat connector | no | 3AL 002 952-871 | 1 |
| 12 V, 335 Hz, low tone, splash-proof flat connector | yes | 3AL 002 952-841 | 1 |
| 12 V, 400 Hz, high tone, splash-proof flat connector | no | 3AL 002 952-827 | 40 |
| 12 V, 400 Hz, high tone, flat connector | yes | 3AL 002 952-857 | 40 |
| 12 V, 335 Hz, low tone, splash-proof flat connector | no | 3AL 002 952-917 | 40 |
| 12 V, 400 Hz, high tone, flat connector | yes | 3AL 002 952-907 | 40 |
| 24 V, 400 Hz, high tone, flat connector | yes | 3AL 006 958-821 | 1 |
| 24 V, 335 Hz, low tone, flat connector | no | 3AL 002 952-927 | 40 |